rac and meso Diastereomers of an Unsymmetric Zirconocene Dichloride Produce Polypropenes with Similar Tacticities and Molar Masses

The dual-site zirconocene dichlorides rac-
and meso-SiMe2(3-benzylindenyl)(indenyl)ZrCl2 have
been synthesized and used, after a methylaluminoxane
activation, in propene polymerization. These diastereomers produce isotactic polypropenes with similar microstructures and molar masses under equivalent polymerization conditions.

本研究中，经过甲基铝氧烷活化的双位点茨烯二氯化物（rac-和meso-SiMe2(3-苄基吲哚基)(吲哚基)ZrCl2）已被合成并应用于丙烯聚合反应中。在这些对映异构体下，于等效聚合条件下，可得到具有相似微观结构和摩尔质量的等规聚丙烯。